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| Country of Origin | China |
|---|---|
| Brand | Vishay |
| Height | 2.6mm |
| Length | 4.1mm |
| Model | 1N4739A-TR |
| Mount Type | Through Hole |
| Series | 1N4739A |
| Maximum Operating Temperature | 175°C |
| Package Type | DO-41 |
| Standards/Approvals | RoHS |
| Pin Count | 2 |
| Number of Elements per Chip | 1 |
| Automotive Standard | AEC-Q101 |
| Maximum Power Dissipation Pd | 1.3W |
| Diode Configuration | Single |
| Test Current It | 28mA |
| Maximum Reverse Leakage Current | 10μA |
| Nominal Zener Voltage Vz | 9.1V |
| Zener Type | Silicon Planar |
| Maximum Zener Impedance | 5Ω |
Vishay 1N4739A-TR is a single silicon planar Zener diode intended for use in voltage regulation, stabilizing, and clipping circuits where stable voltage reference is critical. Rated for a nominal Zener voltage of 9.1 volts and maximum power dissipation of 1.3 watts, this diode offers reliable performance in through hole mounting configurations using the DO-41 package.
This diode features tightly controlled voltage tolerance of ±5%, making it suitable for precision electronic applications in automotive, industrial, and consumer electronics. The standard test current of 28 mA supports steady voltage regulation, while the maximum reverse leakage current of 10 microamperes ensures minimal current loss.
With a maximum operating temperature of 175°C, the 1N4739A-TR provides durability and reliability even under demanding thermal conditions. Its compact size, 4.1 mm in length and 2.6 mm in height, facilitates integration on printed circuit boards without occupying excessive space.
The component conforms to RoHS directives and meets automotive standards AEC-Q101, affirming its suitability for automotive electronics and compliance with environmental safety regulations. This Zener diode is manufactured in China under Vishay's stringent quality controls.
Single silicon planar Zener diode for precise voltage regulation. Through hole DO-41 package with 2 pins for easy mounting. Nominal Zener voltage of 9.1 V with ±5% tolerance. Maximum power dissipation rated at 1.3 W. Test current of 28 mA ensures accurate voltage stabilization.
Low reverse leakage current of 10 µA minimizes losses. Operating temperature range up to 175°C for high reliability. Compact dimensions of length 4.1 mm and height 2.6 mm. Compliant with RoHS and automotive AEC-Q101 standards.
This Vishay 1N4739A-TR Zener diode is ideal for use in industrial electronic devices, automotive circuits, power supplies, and instrumentation requiring stable voltage references and protection.
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